CN102556366A - Locator bottom surface supporting device for butt joint of airplane components - Google Patents

Abstract

The invention relates to a support device for the bottom surface of a locator used for the docking of aircraft components. Two rows of parallel long linear guide rails are arranged on the foundation, and each row of long linear guide rails is composed of two sets of guide rails. There are several long guide rail positioning units; short linear guide rails are arranged between two rows of long linear guide rails, and a short guide rail positioning unit is arranged on the short linear guide rails. The structure of the device is simple and reliable, and the modularization of the positioning unit is used to realize the overall rapid installation and positioning, and at the same time, the versatility of the tooling is increased.

Description

Positioner underside support device for aircraft component docking

technical field

The invention relates to a positioner bottom support device for docking of aircraft parts, which is used for docking assembly of aircraft fuselage parts, and improves the adaptability of digital flexible tooling for docking aircraft parts to different models.

Background technique

Modern aircraft have the characteristics of long life, stealth, high reliability, and low-cost rapid development. Traditional assembly jigs and fixtures can no longer meet the needs of new models. Digital flexible assembly tooling is based on product digital quantity and size coordination system, reconfigurable modular and automatic assembly system, which not only reduces tooling development cost, shortens tooling preparation cycle, but also improves assembly efficiency and quality. The positioner is a three-degree-of-freedom modular unit, which has the advantages of high positioning accuracy, reliable operation, reorganization, digital quantity coordination, automation and small footprint.

Contents of the invention

The technical problem to be solved by the present invention is to provide a support device for the bottom surface of the locator used for the docking of aircraft parts. Versatility.

In order to solve the above problems, the specific technical solution of the present invention is as follows: a support device for the bottom surface of the locator used for the docking of aircraft parts is provided with two rows of parallel long linear guide rails on the foundation, and each row of long linear guide rails is composed of two sets of guide rails Each row of long linear guide rails is provided with several long guide rail positioning units; between two rows of long linear guide rails, short linear guide rails are provided, and a short guide rail positioning unit is arranged on the short linear guide rails.

The structure of the long guide rail positioning unit is as follows: connect the locator base below the locator, guide rail sliders are provided at the four corners below the locator base, and the position of the guide rail slider corresponds to the position of the corresponding long linear guide rail; There is a brake between the two guide rail sliders on one side; in the foundation below the long linear guide rail, a transmission rack and a magnetic scale are respectively provided, and a rack drive and a magnetic grid are provided under the base of the positioner. The measuring head of the ruler, the rack transmission device is connected with the transmission rack, the position of the measuring head of the magnetic scale is corresponding to the position of the magnetic scale; there is a well in the foundation under one side of the long linear guide rail, and a wire is arranged in the well The drag chain has a system connector at the side end of the positioner base, and the system connector is connected with the wire drag chain.

The structure of the short guide rail positioning unit is as follows: connect the locator base below the locator, and guide rail sliders are provided at the four corners below the locator base, and the position of the guide rail slider corresponds to the position of the corresponding short linear guide rail; There is a brake between the two guide rail sliders on one side; in the foundation below the short linear guide rail, a screw drive device and a magnetic scale are respectively provided, and a screw nut bearing seat and a magnetic scale are provided under the base of the locator. The measuring head of the scale, the screw nut bearing seat is connected with the screw drive device, the position of the measuring head of the magnetic scale corresponds to the position of the magnetic scale; There is a wire drag chain, and a system connector is provided at the side end of the positioner base, and the system connector is connected with the wire drag chain.

The bottom surface support device of the locator used for the docking of aircraft parts adopts the matching connection of long and short linear guide rails and long and short guide rail positioning units, so that when the aircraft parts are docked, the supporting method and The number of positioning units. The positioning units are grouped according to the supported parts and move in groups to realize the arrangement of each part along the navigation direction. After the aircraft attitude is adjusted, each group of positioning units realizes the precise docking of aircraft parts under the control of the closed-loop system .

Description of drawings

Fig. 1 is a schematic structural view of a positioner bottom surface support device used for aircraft component docking.

Fig. 2 is a schematic structural diagram of the short guide rail positioning unit.

Fig. 3 is a schematic diagram of the installation plane of the short guide rail positioning unit.

Fig. 4 is a structural schematic diagram of the long guide rail positioning unit.

Fig. 5 is a schematic diagram of the installation plane of the long guide rail positioning unit.

Detailed ways

As shown in Figure 1, a support device for the bottom surface of a locator used for the docking of aircraft components is provided with two rows of parallel long linear guide rails 3 on the foundation 1, and each row of long linear guide rails 3 is composed of two sets of guide rails. Long linear guide rails 3 are respectively provided with several long guide rail positioning units 5, and the quantity of the long guide rail positioning units 5 can be determined according to the structure of aircraft parts to be assembled; short linear guide rails 2 are arranged between two rows of long linear guide rails 3 , the short linear guide rail 2 is provided with a short guide rail positioning unit 6 . After the positions of the long guide rail positioning unit 5 and the short guide rail positioning unit 6 are determined, the well cover plate 4 can be used to cover the long linear guide rail 3 and the short linear guide rail 2 .

As shown in Figures 4 and 5, the structure of the long guide rail positioning unit 5 is as follows: the locator base 7 is connected under the locator 19, the four corners below the locator base 7 are provided with guide rail sliders 9, and the guide rail sliders The position of 9 corresponds to the position of the corresponding long linear guide rail 3; a brake 8 is provided between the two guide rail sliders 9 on one side; in the foundation 1 below the long linear guide rail 3, a transmission rack 18 is respectively provided and the magnetic scale 13, a rack drive 17 and a magnetic scale measuring head 10 are provided under the locator base 7, the rack drive 17 is connected with the transmission rack 18 to realize the long guide rail positioning unit 5 in the long The movement on the linear guide rail 3 is driven by a rack and pinion structure, and the helical teeth are used to improve the stability of the operation; the position of the magnetic scale measuring head 10 corresponds to the position of the magnetic scale 13, and the position is measured by the magnetic scale to ensure Position accuracy; a ground well 16 is provided in the foundation 1 below one side of the long linear guide rail 3, a wire drag chain 15 is provided in the ground well 16, and a system joint 12 is provided at the side end of the locator base 7, and the system joint 12 is connected to the wire The drag chain 15 is connected, and the wires and data control lines on all the long guide rails are arranged in the wire drag chain 15.

As shown in Figures 2 and 3, the structure of the short guide rail positioning unit 6 is as follows: the locator base 7 is connected under the locator 19, the four corners below the locator base 7 are provided with guide rail sliders 9, and the guide rail sliders The position of 9 corresponds to the position of the corresponding short linear guide rail 2; a brake 8 is provided between the two guide rail sliders 9 on one side; a screw drive device is respectively provided in the foundation 1 below the short linear guide rail 2 14 and the magnetic scale 13, under the locator base 7 are provided with a nut bearing seat 11 and a magnetic scale measuring head 10, the nut bearing seat 11 is connected with the screw drive 14, wherein the nut is mounted on the nut In the bearing seat 11, the screw drive is installed in 14 to drive the screw nut bearing seat 11, thereby realizing the movement of the short guide rail positioning unit 6; the position of the magnetic scale measuring head 10 corresponds to the position of the magnetic scale scale 13, so that the magnetic scale scale 13 for position measurement to ensure positioning accuracy; a ground well 16 is provided in the foundation 1 below one side of the short linear guide rail 2, a wire drag chain 15 is provided in the ground well 16, and a system connector 12 is provided at the side end of the positioner base 7 , the system connector 12 is connected with the wire drag chain 15 .

The advantages of the locator bottom surface support device for aircraft component docking are:

1. The positioning unit is modular, simple and reliable in structure, suitable for general assembly and partial assembly of aircraft, and can realize three-point and four-point support of aircraft components;

2. The number of positioning units is flexible and can be increased or decreased according to the needs. The unit movement adopts digital quantity coordination, which has the characteristics of strong reconfigurability, high automation, good flexibility and small footprint;

3. The positioning unit has a standard interface, and the type of positioner is not limited, which realizes the rapid installation and positioning of the positioner and shortens the assembly cycle;

4. Break the concept of traditional tooling, facilitate the equipment of positioners, increase the versatility of tooling, save tooling manufacturing costs, and reduce aircraft manufacturing costs;

5. The positioning unit has a large adjustment range, which enhances the adaptability of the positioner and can meet the assembly needs of different models.

Claims (3)

1. one kind is used for the steady arm bottom supporting device that aircraft components docks; It is characterized in that: on ground (1), be provided with the parallel long line slideway (3) of two rows; Every platoon leader's line slideway (3) is made up of two groups of guide rails, on every platoon leader's line slideway (3), is respectively equipped with several long guideway positioning units (5); Between two platoon leader's line slideways (3), be provided with short lines guide rail (2), short lines guide rail (2) is provided with a short lead rail positioning unit (6).

2. the steady arm bottom supporting device that is used for the aircraft components butt joint as claimed in claim 1; It is characterized in that: the structure of described long guideway positioning unit (5) is: the below at steady arm (19) connects steady arm base (7); Below at steady arm base (7) is provided with guide rail slide block (9) for four jiaos, and the position of guide rail slide block (9) is corresponding with the position of cooresponding long line slideway (3); Be provided with drg (8) therein between two of a side guide rail slide blocks (9); In the below ground (1) of long line slideway (3); Be respectively equipped with driving rack (18) and magnetic railings ruler (13); Be provided with rack gearing (17) and magnetic railings ruler gauge head (10) in the below of steady arm base (7); Rack gearing (17) is connected with driving rack (18), and the position of magnetic railings ruler gauge head (10) is corresponding with the position of magnetic railings ruler (13); In the ground (1) of a side-lower of long line slideway (3), be provided with ground well (16); Be provided with lead drag chain (15) in the ground well (16); Side at steady arm base (7) is provided with system's joint (12), and system's joint (12) is connected with lead drag chain (15).

3. the steady arm bottom supporting device that is used for the aircraft components butt joint as claimed in claim 1; It is characterized in that: the structure of described short lead rail positioning unit (6) is: the below at steady arm (19) connects steady arm base (7); Below at steady arm base (7) is provided with guide rail slide block (9) for four jiaos, and the position of guide rail slide block (9) is corresponding with the position of cooresponding short lines guide rail (2); Be provided with drg (8) therein between two of a side guide rail slide blocks (9); In the below ground (1) of short lines guide rail (2); Be respectively equipped with lead screw gear (14) and magnetic railings ruler (13); Be provided with nut axis bearing (11) and magnetic railings ruler gauge head (10) in the below of steady arm base (7); Nut axis bearing (11) is connected with lead screw gear (14), and the position of magnetic railings ruler gauge head (10) is corresponding with the position of magnetic railings ruler (13); In the ground (1) of a side-lower of short lines guide rail (2), be provided with ground well (16); Be provided with lead drag chain (15) in the ground well (16); Side at steady arm base (7) is provided with system's joint (12), and system's joint (12) is connected with lead drag chain (15).

Images